./Ultimate.py --spec ../../sv-benchmarks/c/properties/valid-memsafety.prp --file ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for memory safety (deref-memtrack) Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e ............................................................................................................................... Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/config/AutomizerMemDerefMemtrack.xml -i ../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e .................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: UNKNOWN --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:34:15,271 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:34:15,275 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:34:15,338 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:34:15,339 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:34:15,344 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:34:15,346 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:34:15,350 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:34:15,353 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:34:15,360 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:34:15,361 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:34:15,363 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:34:15,364 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:34:15,366 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:34:15,369 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:34:15,374 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:34:15,376 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:34:15,377 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:34:15,379 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:34:15,387 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:34:15,390 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:34:15,391 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:34:15,396 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:34:15,397 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:34:15,401 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:34:15,402 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:34:15,402 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:34:15,405 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:34:15,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:34:15,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:34:15,408 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:34:15,409 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:34:15,411 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:34:15,412 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:34:15,414 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:34:15,414 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:34:15,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:34:15,415 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:34:15,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:34:15,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:34:15,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:34:15,418 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Default.epf [2021-10-21 19:34:15,467 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:34:15,467 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:34:15,468 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:34:15,468 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:34:15,469 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:34:15,470 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:34:15,470 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:34:15,470 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:34:15,470 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:34:15,471 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:34:15,472 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:34:15,472 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:34:15,472 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:34:15,473 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:34:15,473 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:34:15,473 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:34:15,473 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:34:15,474 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:34:15,474 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:34:15,474 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:34:15,474 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:34:15,475 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:34:15,475 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:34:15,475 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:34:15,475 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-21 19:34:15,475 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:34:15,476 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-10-21 19:34:15,705 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:34:15,732 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:34:15,735 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:34:15,737 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:34:15,738 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:34:15,739 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-21 19:34:15,848 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/data/0ce1cdc7d/c5f8f09b64424479b49b4e8ffa082bcc/FLAG55f470da7 [2021-10-21 19:34:16,727 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:34:16,729 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-21 19:34:16,785 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/data/0ce1cdc7d/c5f8f09b64424479b49b4e8ffa082bcc/FLAG55f470da7 [2021-10-21 19:34:17,228 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/data/0ce1cdc7d/c5f8f09b64424479b49b4e8ffa082bcc [2021-10-21 19:34:17,230 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:34:17,233 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:34:17,249 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:34:17,249 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:34:17,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:34:17,254 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:34:17" (1/1) ... [2021-10-21 19:34:17,256 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2749b724 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:34:17, skipping insertion in model container [2021-10-21 19:34:17,256 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:34:17" (1/1) ... [2021-10-21 19:34:17,266 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:34:17,367 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:34:18,842 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-21 19:34:18,843 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@524fe579 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:34:18, skipping insertion in model container [2021-10-21 19:34:18,844 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:34:18,845 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:34:18,848 INFO L168 Benchmark]: Toolchain (without parser) took 1612.22 ms. Allocated memory is still 123.7 MB. Free memory was 85.9 MB in the beginning and 83.4 MB in the end (delta: 2.5 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:34:18,851 INFO L168 Benchmark]: CDTParser took 0.72 ms. Allocated memory is still 81.8 MB. Free memory was 36.8 MB in the beginning and 36.8 MB in the end (delta: 77.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:34:18,853 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1595.81 ms. Allocated memory is still 123.7 MB. Free memory was 85.7 MB in the beginning and 83.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:34:18,857 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.72 ms. Allocated memory is still 81.8 MB. Free memory was 36.8 MB in the beginning and 36.8 MB in the end (delta: 77.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1595.81 ms. Allocated memory is still 123.7 MB. Free memory was 85.7 MB in the beginning and 83.4 MB in the end (delta: 2.2 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... ### Bit-precise run ### This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:34:21,339 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:34:21,342 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:34:21,405 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:34:21,406 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:34:21,411 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:34:21,412 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:34:21,419 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:34:21,422 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:34:21,428 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:34:21,430 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:34:21,431 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:34:21,432 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:34:21,435 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:34:21,437 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:34:21,441 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:34:21,443 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:34:21,444 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:34:21,447 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:34:21,454 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:34:21,456 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:34:21,458 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:34:21,460 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:34:21,463 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:34:21,472 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:34:21,473 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:34:21,473 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:34:21,475 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:34:21,476 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:34:21,477 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:34:21,477 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:34:21,478 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:34:21,480 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:34:21,481 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:34:21,483 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:34:21,483 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:34:21,484 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:34:21,484 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:34:21,485 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:34:21,486 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:34:21,487 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:34:21,492 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/config/svcomp-DerefFreeMemtrack-64bit-Automizer_Bitvector.epf [2021-10-21 19:34:21,540 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:34:21,541 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:34:21,541 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:34:21,542 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:34:21,544 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:34:21,544 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:34:21,545 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:34:21,546 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:34:21,546 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:34:21,546 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:34:21,547 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:34:21,548 INFO L138 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2021-10-21 19:34:21,548 INFO L138 SettingsManager]: * Bitprecise bitfields=true [2021-10-21 19:34:21,548 INFO L138 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2021-10-21 19:34:21,548 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-21 19:34:21,549 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-10-21 19:34:21,549 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-10-21 19:34:21,549 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-10-21 19:34:21,549 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:34:21,550 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:34:21,550 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:34:21,550 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-21 19:34:21,551 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-21 19:34:21,551 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:34:21,551 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-21 19:34:21,551 INFO L138 SettingsManager]: * Trace refinement strategy=WOLF [2021-10-21 19:34:21,552 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-10-21 19:34:21,552 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:34:21,553 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-10-21 19:34:21,553 INFO L138 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G valid-free) ) CHECK( init(main()), LTL(G valid-deref) ) CHECK( init(main()), LTL(G valid-memtrack) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 983cec69549e2e1e8fd4af811fefcb63625f41eb81ec9e5957d0ba81a05cd15e [2021-10-21 19:34:22,051 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:34:22,077 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:34:22,080 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:34:22,082 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:34:22,083 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:34:22,084 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-21 19:34:22,167 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/data/153877e19/c8abfdc30a7d4fd789c9ef2b46e7fcb0/FLAG42194cd6f [2021-10-21 19:34:23,121 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:34:23,122 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/sv-benchmarks/c/busybox-1.22.0/readlink-2.i [2021-10-21 19:34:23,174 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/data/153877e19/c8abfdc30a7d4fd789c9ef2b46e7fcb0/FLAG42194cd6f [2021-10-21 19:34:23,645 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e47ad8-6770-47dd-9d08-3da04642da83/bin/uautomizer-j4sWxH34Be/data/153877e19/c8abfdc30a7d4fd789c9ef2b46e7fcb0 [2021-10-21 19:34:23,647 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:34:23,648 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2021-10-21 19:34:23,650 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:34:23,650 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:34:23,661 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:34:23,662 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:34:23" (1/1) ... [2021-10-21 19:34:23,663 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@794118d5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:34:23, skipping insertion in model container [2021-10-21 19:34:23,663 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:34:23" (1/1) ... [2021-10-21 19:34:23,672 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:34:23,806 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:34:25,362 ERROR L326 MainTranslator]: Unsupported Syntax: encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die [2021-10-21 19:34:25,369 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieTranslatorObserver@3aeef7a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:34:25, skipping insertion in model container [2021-10-21 19:34:25,369 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:34:25,370 INFO L184 ToolchainWalker]: Toolchain execution was canceled (user or tool) before executing de.uni_freiburg.informatik.ultimate.boogie.preprocessor [2021-10-21 19:34:25,373 INFO L168 Benchmark]: Toolchain (without parser) took 1722.62 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 32.1 MB in the beginning and 54.2 MB in the end (delta: -22.1 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:34:25,375 INFO L168 Benchmark]: CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:34:25,377 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1720.11 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 31.9 MB in the beginning and 54.2 MB in the end (delta: -22.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. [2021-10-21 19:34:25,381 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 ms. Allocated memory is still 58.7 MB. Free memory is still 40.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 1720.11 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 31.9 MB in the beginning and 54.2 MB in the end (delta: -22.3 MB). Peak memory consumption was 9.5 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - UnsupportedSyntaxResult [Line: 2359]: Unsupported Syntax encountered a call to a var args function, var args are not supported at the moment: bb_perror_msg_and_die RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...